What is an electric fuse?
An electric fuse is a short length of easily fusible wire put into an electrical circuit for protection purposes.
What is the ground wire?
The third wire, called the earth wire is a safety wire.
Define neutral wire.
The neutral wire completes the circuit and carries current away from the appliance.
What is the live wire?
The live wire carries to the appliance at a high voltage.
What is the frequency?
Hertz
What is the unit of loudness?
Decibel(dB)